change brake shoes drum brakes

Understanding How to Change Brake Shoes for Drum Brakes

When it comes to maintaining a vehicle, one of the most crucial aspects is ensuring that the braking system is functioning properly. Drum brakes, while not as common as disc brakes in modern vehicles, are still widely used in many cars, trucks, and trailers. If you own a vehicle equipped with drum brakes, knowing how to change brake shoes can save you time and money. This article will guide you through the process of changing brake shoes, helping you to enhance your vehicle’s performance and safety.

Why Change Brake Shoes?

Brake shoes are a vital part of your vehicle's braking system. They press against the drum, creating friction that slows down your wheels. Over time, brake shoes wear down due to friction and heat, which can lead to reduced stopping power, and in severe cases, brake failure. Signs that indicate it is time to replace your brake shoes include squeaking or grinding noises, a noticeable decrease in braking performance, and a warning light on your dashboard.

Tools and Materials Needed

Before you begin the process of changing brake shoes, make sure you gather the necessary tools and materials - New brake shoes - Brake cleaner - Floor jack and jack stands - Lug wrench - Socket set - Screwdriver - C-clamp or brake tool - Safety glasses and gloves

Step-by-Step Guide to Changing Brake Shoes

1. Prepare Your Vehicle - Park your vehicle on a flat surface and engage the parking brake. For added safety, place wheel chocks behind the rear tires if you are working on the front brakes.

2. Loosen the Lug Nuts - Using the lug wrench, loosen the lug nuts on the wheel you will be working on, but do not remove them yet.

3. Lift the Vehicle - Use a floor jack to lift the vehicle and then secure it with jack stands. Ensure the vehicle is stable before proceeding.

4. Remove the Wheel - Finish removing the loosened lug nuts and take off the wheel to expose the drum brake assembly.

5. Remove the Brake Drum - Inspect the brake drum for any retaining screws or clips. Remove these and gently pull the brake drum off. Sometimes, the drum may be stuck due to corrosion or dirt, so a light tap with a hammer may help.

6. Inspect the Components - Before replacing the brake shoes, take a moment to inspect the brake drum, wheel cylinder, and other components for wear or damage. Clean any brake dust using brake cleaner.

7. Remove the Old Brake Shoes - Use a socket and screwdriver to detach the old brake shoes from the backing plate. Take note of how the shoes are positioned, as you'll need to install the new ones in the same orientation.

8. Install the New Brake Shoes - Position the new brake shoes onto the backing plate and secure them using the hardware provided. Ensure they are properly aligned and adjusted to fit snugly.

9. Reattach the Brake Drum - Once the new brake shoes are in place, carefully reinstall the brake drum. If it’s difficult to fit back on, check that the shoes are adjusted properly, and turn the adjuster if necessary.

10. Reattach the Wheel - Place the wheel back onto the hub and hand-tighten the lug nuts. Lower the vehicle back to the ground and then tighten the lug nuts in a criss-cross pattern to ensure even pressure.

11. Test Your Brakes - Before taking your vehicle on the road, pump the brake pedal a few times to seat the brake shoes against the drum. Test your brakes at low speed to ensure they are working effectively.

Conclusion

Changing brake shoes on drum brakes is a manageable task for those with basic mechanical skills. By following this step-by-step guide, you can ensure your vehicle remains safe and reliable on the road. Remember, regular maintenance and timely replacement of brake components not only extend the lifespan of your vehicle but also safeguard your safety and that of others on the road. When in doubt, consult a professional mechanic for assistance. Happy driving!